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TPS62225

更新时间： 2024-01-23 04:09:13
品牌 Logo 应用领域
德州仪器 - TI 转换器功效
页数 文件大小 规格书
24页 656K
描述
400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23

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TPS62225 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOT-23
包装说明：SOT-23, 5 PIN针数：5
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：5.22Samacsys Confidence：
Samacsys Status：ReleasedSamacsys PartID：607857
Samacsys Pin Count：5Samacsys Part Category：Integrated Circuit
Samacsys Package Category：OtherSamacsys Footprint Name：SOT95P280X110-5N
Samacsys Released Date：2017-01-12 12:59:53Is Samacsys：N
其他特性：PFM MODE IS ALSO AVAILABLE模拟集成电路 - 其他类型：SWITCHING REGULATOR
控制模式：VOLTAGE-MODE控制技术：PULSE WIDTH MODULATION
最大输入电压：6 V最小输入电压：2.5 V
标称输入电压：3.6 VJESD-30 代码：R-PDSO-G5
JESD-609代码：e4长度：2.9 mm
湿度敏感等级：1功能数量：1
端子数量：5最高工作温度：85 °C
最低工作温度：-40 °C最大输出电流：0.4 A
最大输出电压：2.2 V最小输出电压：2.2 V
标称输出电压：2.2 V封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：260
认证状态：Not Qualified座面最大高度：1.1 mm
表面贴装：YES切换器配置：BUCK
最大切换频率：1850 kHz温度等级：INDUSTRIAL
端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)端子形式：GULL WING
端子节距：0.95 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：1.6 mm
Base Number Matches：1

TPS62225 数据手册

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TPS62220, TPS62221, TPS62222  
TPS62223, TPS62224, TPS62225  
TPS62227, TPS62228, TPS62229  
www.ti.com ....................................................................................................................................... SLVS491E–SEPTEMBER 2003–REVISED FEBRUARY 2009  
400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23  
1
FEATURES  
DESCRIPTION  
2
•
High-Efficiency Synchronous Step-Down  
Converter With up to 95% Efficiency  
The TPS6222x devices are a family of high-efficiency,  
synchronous step-down converters ideally suited for  
portable systems powered by 1-cell Li-Ion or 3-cell  
NiMH/NiCd batteries. The devices are also suitable to  
operate from a standard 3.3-V or 5-V voltage rail.  
•
•
2.5-V to 6-V Input Voltage Range  
Adjustable Output Voltage Range From 0.7 V  
to VI  
•
•
•
•
Fixed Output Voltage Options Available  
Up to 400-mA Output Current  
With an output voltage range of 6 V down to 0.7 V  
and up to 400-mA output current, the devices are  
ideal for powering the low voltage TMS320™ DSP  
family and processors used in PDAs, pocket PCs,  
and smart phones. Under nominal load current, the  
devices operate with a fixed switching frequency of  
typically 1.25 MHz. At light load currents, the part  
enters the power-save mode operation; the switching  
frequency is reduced and the quiescent current is  
typically only 15 µA; therefore, the device achieves  
the highest efficiency over the entire load current  
range. The TPS6222x needs only three small  
external components. Together with the tiny TSOT23  
package, a minimum system solution size can be  
achieved. An advanced fast response voltage mode  
control scheme achieves superior line and load  
regulation with small ceramic input and output  
capacitors.  
1.25-MHz Fixed Frequency PWM Operation  
Highest Efficiency Over Wide Load Current  
Range Due to Power-Save Mode  
•
•
•
•
•
15 µA Typical Quiescent Current  
Soft Start  
100% Duty Cycle Low-Dropout Operation  
Dynamic Output-Voltage Positioning  
Available in TSOT23 Package  
APPLICATIONS  
•
•
•
•
•
•
•
PDAs and Pocket PC  
Cellular Phones, Smart Phones  
OMAP™ and Low Power DSP Supply  
Digital Cameras  
Portable Media Players  
Portable Equipment  
WLAN PC Cards  
100  
V
= 1.8 V,  
O
95  
90  
85  
80  
75  
70  
65  
60  
55  
50  
L = 4.7 mH,  
L1  
TPS62220  
C
= 22 mF  
O
4.7 mH  
V
V
1
2
3
5
4
O
I
V
SW  
I
V = 2.7 V  
I
1.5 V/400 mA  
2.5 V to 6 V  
C4  
R1  
C1  
GND  
EN  
C3  
4.7 mF  
10 mF  
360 kW  
22 pF  
FB  
V = 3.7 V  
I
C2  
R2  
100 pF  
180 kW  
V = 5 V  
I
45  
40  
0.01  
0.1  
1
10  
100 1000  
Typical Application (Adjustible Output Voltage Version)  
I
L
− Load Current − mA  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
OMAP, TMS320 are trademarks of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2003–2009, Texas Instruments Incorporated  
1234567...24

中文翻译

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TPS62225 替代型号

型号 品牌 替代类型 描述 数据表
TPS62260 TI

功能相似

 2.25 MHz 600 mA Step Down Converter in 2x2SON/TSOT-23 Package
TPS62221 TI

功能相似

 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62220 TI

功能相似

 400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23

与TPS62225相关器件

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TPS62225DDC TI

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 		400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62225DDCR TI

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 		400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62225DDCT TI

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 		400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62227 TI

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 		400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62227DDC TI

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 		400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62227DDCR TI

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 		400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62227DDCRG4 TI

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 		400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62227DDCT TI

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 		400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62227DDCTG4 TI

获取价格

 		400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23
TPS62228 TI

获取价格

 		400-mA, 1.25-MHz, HIGH-EFFICIENCY, STEP-DOWN CONVERTER IN THIN-SOT23

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